Finding the Fourth Proportional to 213,498.06, 294,628.50 and 116,702.07

Step by Step Solution

1. Step 1: Write the proportion equation
   213,498.06 : 294,628.50 = 116,702.07 : x
2. Step 2: Convert to fraction form
   213,498.06/294,628.50 = 116,702.07/x
3. Step 3: Cross multiply
   213,498.06x = 294,628.50 × 116,702.07
4. Step 4: Simplify right side
   213,498.06x = 34,383,755,831.00
5. Step 5: Solve for x
   x = 34,383,755,831.00/213,498.06
6. Step 6: Final answer
   x = 161,049.50